<!DOCTYPE html>
<html lang="en">
<head>
	<meta charset="UTF-8">
	<title>Document</title>
	<style>
	body {
		height: 3000px;
	}
	div {
		width: 600px;
		height: 1500px;
		background: url(images/1.jpg) no-repeat fixed;  
		/* 背景固定 */
		margin: 0 auto;
		border:3px solid red;
	}
	</style>
</head>
<body>
	<div>
		
	</div>
</body>
</html>